{"id":"CVE-2026-103763","title":"SiYuan before v3.8.5 contains an information disclosure vulnerability that allows read-only publish readers to learn metadata of publish-excluded documents through the getNotebookInfo endpoint","summary":"SiYuan before v3.8.5 contains an information disclosure vulnerability that allows read-only publish readers to learn metadata of publish-excluded documents through the getNotebookInfo endpoint. Attackers, including anonymous visitors whe…","severity":"medium","cvss":5.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","cwe":["CWE-200"],"vendor":"siyuan-note","product":"siyuan","affected":["siyuan < 3.8.5"],"published":"2026-10-02","updated":"2026-10-02","sourceUpdated":"2026-10-02T16:16:44.620","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-103763","references":[{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-ccxp-q3vg-jvgj","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/siyuan-before-3.8.5-information-disclosure-via-api-notebook-getnotebookinfo","label":"disclosure@vulncheck.com"},{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-ccxp-q3vg-jvgj","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-02T15:46:40.380045Z"},"ingestedAt":"2026-10-02T12:17:44.325Z","slug":"CVE-2026-103763","body":"## Overview\n\nSiYuan before v3.8.5 contains an information disclosure vulnerability that allows read-only publish readers to learn metadata of publish-excluded documents through the getNotebookInfo endpoint. Attackers, including anonymous visitors when no reader password is set, can query publish-visible notebooks to obtain document count, size and modification timestamps of hidden documents.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":44,"depthScoreParts":{"impact":31.9,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":214984,"id":"CVE-2026-103763","ts":1790958218045,"field":"exploit_available","old":"false","new":"true"}]}